8145436707 has 40 divisors (see below), whose sum is σ = 12278692800. Its totient is φ = 5381066736.

The previous prime is 8145436703. The next prime is 8145436709. The reversal of 8145436707 is 7076345418.

8145436707 is a `hidden beast` number, since 8 + 145 + 436 + 70 + 7 = 666.

It is not a de Polignac number, because 8145436707 - 2² = 8145436703 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8145436703) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5030344 + ... + 5031962.

It is an arithmetic number, because the mean of its divisors is an integer number (306967320).

Almost surely, 2^8145436707 is an apocalyptic number.

8145436707 is a deficient number, since it is larger than the sum of its proper divisors (4133256093).

8145436707 is a wasteful number, since it uses less digits than its factorization.

8145436707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 8145436707 is about 90252.0731451638. The cubic root of 8145436707 is about 2012.0470146037.

The spelling of 8145436707 in words is "eight billion, one hundred forty-five million, four hundred thirty-six thousand, seven hundred seven".